Resource Type
Counties
6 Matching Results
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6
Computing Machine
Patent for a computing machine for addition and subtraction. Illustration included.
Date:
July 21, 1908
Creator:
Jackson, Joshua Terry
System:
The Portal to Texas History
Well-Bucket.
Patent for a well bucket with a float attachment to prevent the bucket from hitting the bottom of the well and stirring up sand or mud.
Date:
July 30, 1907
Creator:
Thomas, Eliga Moran
System:
The Portal to Texas History
Pump System.
Patent for a pump system with an improved air compressor for use in cars that produces a very quiet engine.
Date:
July 25, 1911
Creator:
Read, William K.
System:
The Portal to Texas History
Cotton-Picker
Patent for a cotton picker that can be used on several rows of cotton at a time. Illustrations included.
Date:
July 16, 1912
Creator:
Meier, John
System:
The Portal to Texas History
Safety-Pocket
Patent for a particular pocket and its attachments that allows access by the owner but prevents objects held within from falling out or easily removed by another person.
Date:
July 31, 1906
Creator:
McCauley, Walter John
System:
The Portal to Texas History
Seed-Dropper.
Patent for a seed dropper that is used to drop peas or other seeds between hills of corn. This tool is very light and can be handled with one hand.
Date:
July 31, 1917
Creator:
Hefner, John M.
System:
The Portal to Texas History